pt. 1. On the seasonal dimorphism of butterflies. pts. 2-3. On the final causes of transformation: 1. The origin of the markings of caterpillars. 2. On phyletic parallelism in metamorphic species. 3. The transformation of the Mexican axolotl into Amblystoma. 4. On the mechanical conception of nature
Evidence reported by scanner-liz-ridolfo for item studiesintheoryo01weisuoft on May 14, 2007: no visible notice of copyright; stated date is 1882.